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Video Encoding: The camera supports multiple video encoding types, such as H.264, H.265,
MJPEG, and MPEG4. Supported encoding type for different stream types may differ. H.265 is a
new encoding technology. Compared with H.264, it reduces the transmission bit rate under the
same resolution, frame rate and image quality.
Note: Selectable video encoding types may vary according to different camera models.
H.264+ and H.265+:
H.264+: If you set the main stream as the stream type, and H.264 as the video encoding, you
can see H.264+ available. H.264+ is an improved compression coding technology based on
H.264. By enabling H.264+, users can estimate the HDD consumption by its maximum
average bitrate. Compared to H.264, H.264+ reduces storage by up to 50% with the same
maximum bitrate in most scenes.
H.265+: If you set the main stream as the stream type, and H.265 as the video encoding, you
can see H.265+ available. H.265+ is an improved compression coding technology based on
H.265. By enabling H.265+, users can estimate the HDD consumption by its maximum
average bitrate. Compared to H.265, H.265+ reduces storage by up to 50% with the same
maximum bitrate in most scenes.
You need to reboot the camera if you want to turn on or turn off the H.264+/H.265+. If you
switch from H.264+ to H.265+ directly, and vice versa, a reboot is not required by the system.
Notes:
Upgrade your video player to the latest version if live view or playback does not work
properly due to compatibility.
With H.264+/H.265+ enabled, the parameters such as profile, I frame interval, video quality,
and SVC are greyed out.
With H.264+/H.265+ enabled, some functions are not supported. For those functions,
corresponding interfaces will be hidden.
H.264+/H.265+ can spontaneously adjust the bitrate distribution according the
requirements of the actual scene in order to realize the set maximum average bitrate in the
long term. The camera needs at least 24 hours to adapt to a fixed monitoring scene.
Max. Bitrate: When you set a maximum bitrate, its corresponding recommended maximum
average bitrate will be shown in the Max. Average Bitrate box. You can also set the maximum
average bitrate manually from 32 Kbps to the value of the set maximum bitrate.
Profile: Basic profile, Main Profile and High Profile for coding are selectable.This function
means that under the same bitrate, the more complex the profile is, the higher the quality of the
image is, and the requirement for network bandwidth is also higher.
I Frame Interval: Set the I-Frame interval from 1 to 400. I-frame interval defines the number of
frames between 2 I-frames. In H.264 and H.265, an I-frame, or intra frame, is a self-contained
frame that can be independently decoded without any reference to other images. An I-frame
consumes more bits than other frames. Thus, video with more I-frames, in other words, smaller
I-frame interval, generates more steady and reliable data bits while requiring more storage
space.
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